70 points amd I will mark brainliest!
Make a writing about two different diseases that are caused by a mutation in a person's DNA. This writing should be 2+ paragraphs. Please include 3 reference pages, and do not copy and paste.

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Compare and contrast physical changes with chemical changes.

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots